16199843 has 12 divisors (see below), whose sum is σ = 18583824. Its totient is φ = 14084400.

The previous prime is 16199803. The next prime is 16199867. The reversal of 16199843 is 34899161.

It is a de Polignac number, because none of the positive numbers 2^k-16199843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16199843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16199803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (1548652).

Almost surely, 2^16199843 is an apocalyptic number.

16199843 is a deficient number, since it is larger than the sum of its proper divisors (2383981).

16199843 is a wasteful number, since it uses less digits than its factorization.

16199843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866 (or 5855 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 16199843 is about 4024.9028559706. The cubic root of 16199843 is about 253.0289821871.

The spelling of 16199843 in words is "sixteen million, one hundred ninety-nine thousand, eight hundred forty-three".